Dapple Tool. A punch with a sphere on the end for punching spherical indentations in models, patterns, dies. It is sometimes used with a dapple die – a steel block with various size dapple impressions – for use on thin gauge metal or shells.
excerpted with permission from
For Artists, Makers, Collectors and Curators
COMPILED AND WRITTEN BY D. WAYNE JOHNSON
Roger W. Burdette, Editor